1. From Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown (O.W., S.W., B.L.H., M.J.R.J.B., R.E.I., S.J.T.M., E.C.M., R.B.)
2. Division of Anaesthesia, Department of Medicine, University of Cambridge, United Kingdom (S.W.)
3. Department of Neurology, JP Kistler Stroke Research Center, MGH, Boston, MA (A.-K.G., M.R.E., K.D., M.D.S., N.S.R.)
4. Department of Computing, Imperial College London, United Kingdom (K.K.)
5. Department of Clinical Sciences Lund, Lund University, Sweden (P.F., J.W., A.G.L.)
6. Department of Radiology (J.W.), Skåne University Hospital, Lund, Sweden
7. Department of Neurology, University of Maryland School of Medicine and Veterans Affairs Maryland Health Care System, Baltimore, MD (J.W.C., S.J.K.)
8. Division of Endocrinology, Diabetes and Nutrition, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD (H.X., P.F.M., B.D.M.)
9. Institute of Neuroscience and Physiology, the Sahlgrenska Academy at University of Gothenburg, Sweden (L.H.)
10. Department of Neurology, Neurovascular Research Group (NEUVAS), IMIM-Hospital del Mar (Institut Hospital del Mar d’Investigacions Mèdiques), Universitat Autonoma de Barcelona, Spain (J.J.-C., J.R.)
11. Department of Neurosciences, Experimental Neurology, KU Leuven—University of Leuven (R.L.)
12. VIB—Center for Brain & Disease Research (R.L.)
13. Department of Neurology, University Hospitals Leuven, Belgium (R.L.)
14. Department of Laboratory Medicine, Institute of Biomedicine, the Sahlgrenska Academy at University of Gothenburg, Sweden (E.L., T.M.S., C.J.)
15. Department of Neurology, Mayo Clinic, Jacksonville, FL (J.F.M.)
16. Department of Neurology, Miller School of Medicine, University of Miami, The Evelyn F. McKnight Brain Institute, FL (T.R., R.L.S.)
17. Clinical Division of Neurogeriatrics, Department of Neurology, Medical University Graz, Austria (R.S.)
18. Institute of Cardiovascular Research, Royal Holloway University of London (ICR2UL), Egham, United Kingdom (P.S.)
19. Ashford and St Peter’s Hospital, United Kingdom (P.S.)
20. Department of Neurology, Jagiellonian University Medical College, Krakow, Poland (A.S.)
21. Stroke Division, Florey Institute of Neuroscience and Mental Health, HDB, Australia (V.T.)
22. Department of Neurology, Austin Health, HDB, Australia (V.T.)
23. Department of Radiology (A.V.), University of Cincinnati College of Medicine, OH
24. Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati College of Medicine, OH
25. School of Life Science, University of Lincoln, United Kingdom (S.B.)
26. Geriatrics Research and Education Clinical Center, Baltimore Veterans Administration Medical Center, MD (B.D.M.)
27. Henry and Allison McCance Center for Brain Health Massachusetts General Hospital, Boston (J.R.)
28. Departments of Neurology and Public Health Sciences, University of Virginia, Charlottesville (B.B.W.)
29. Department of Neurology and Rehabilitation Medicine, Neurology (A.G.L.), Skåne University Hospital, Lund, Sweden
30. University of Technology Sydney, Australia (J.M.).